Accounts Receivable Securitization - Narrative (Details) - USD ($)	3 Months Ended		6 Months Ended
	Jun. 30, 2020	Jun. 30, 2019	Jun. 30, 2020	Jun. 30, 2019	Dec. 31, 2019	Aug. 20, 2018	Mar. 08, 2017
Transfers and Servicing [Abstract]
Investment limit						$ 125,000,000.0	$ 100,000,000.0
Transferor's interests in transferred financial assets, receivables sold, percent					100.00%
Amount drawn on investment limit					$ 85,000,000.0
Proceeds from accounts receivable securitization			$ 555,100,000	$ 554,300,000
Cash collection			573,300,000	567,600,000
Outstanding principal on receivables sold under securitization	$ 169,600,000		169,600,000		$ 187,800,000
Accounts receivable securitization, program costs	$ 300,000	$ 400,000	$ 900,000	$ 700,000